Source : Webster's Revised Unabridged Dictionary (1913)

Foggy \Fog"gy\, a. [Compar. {Foggier}; superl. {Foggiest}.]
   [From 4th {Fog}.]
   1. Filled or abounding with fog, or watery exhalations;
      misty; as, a foggy atmosphere; a foggy morning. --Shak.

Source : WordNet®

foggy
     adj 1: filled or abounding with fog or mist; "a brumous October
            morning" [syn: {brumous}, {hazy}, {misty}]
     2: stunned or confused and slow to react (as from blows or
        drunkenness or exhaustion) [syn: {dazed}, {groggy}, {logy},
         {stuporous}]
     3: indistinct or hazy in outline; "a landscape of blurred
        outlines"; "the trees were just blurry shapes" [syn: {bleary},
         {blurred}, {blurry}, {fuzzy}, {hazy}, {muzzy}]
     4: obscured by fog; "he could barely see through the fogged
        window" [syn: {fogged}]
     [also: {foggiest}, {foggier}]

foggiest
     See {foggy}